NS
Nellie Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-Island-County, Illinois
Our Model Tree links this Nellie Sullivan across the 1920, 1930 and 1940 US Censuses in Rock-Island-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 4-person household.
Age 47
b. ~1893
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-Island-County, Illinois |
| Surname | Sullivan |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Moline |
| Est. Birth Year | ~1893 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nellie | Age | Birth yr |
|---|---|---|---|---|
| George Sullivan | Head | — | 47 | ~1893 |
| James Sullivan | Son | — | 16 | ~1924 |
| Marjorie Sullivan | Daughter | — | 21 | ~1919 |
| Nellie Sullivan | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Rock Island, …
Spouse, age 26
Rock Island, Illinois · implied b. ~1894 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Rock Island, …
Spouse, age 37
Rock Island, Illinois · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Nellie E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Rock-Island-County, Illinois
Spouse, age 47
Rock-Island-County, Illinois · implied b. ~1893 — 4 household members
| Surname | Sullivan |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Moline |
| 1935 Residence (County) | Rock Island |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Nellie Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Nellie Sullivan
Spouse · 1940 · age 47 · b. ~1893 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rock-Island-County, Illinois
Open full size
1940 US Federal Census — Rock-Island-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00875-00684)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Doris Nordberg | 3 | Daughter | — | Illinois |
| 42 | Bertil Malmgren | 41 | Brother-in-law | — | Sweden |
| 43 | Olaf Johnson | 58 | Lodger | Cabinet Maker | Sweden |
| 44 | Alfonse Dhaenens | 40 | Head | Shipper | Belgium |
| 45 | Madeline Dhaenens | 37 | Wife | — | Belgium |
| 46 | Darlene Dhaenens | 4 | Daughter | — | Illinois |
| 47 | Warren E. Biegler | 35 | Head | Machinist | Illinois |
| 48 | Minnie Biegler | 68 | Wife | — | Illinois |
| 49 | Fred C. Ziegler | 69 | Head | — | Iowa |
| 50 | Annie M. Ziegler | 65 | Wife | — | Illinois |
| 51 | Arthur H. Peterson | 47 | Head | Foreman | Sweden |
| 52 | Clara M. Peterson | 40 | Wife | — | Illinois |
| 53 | Ronald D. Peterson | 6 | Son | — | Illinois |
| 54 | Edward M. Huffman | 73 | Head | — | Indiana |
| 55 | Fingal Lilagren | 29 | Head | Machinist | Illinois |
| 56 | Evelyn Lilagren | 21 | Wife | Beautician | Illinois |
| 57 | Leroy L. Hoyt | 39 | Head | Investment Salesman | Illinois |
| 58 | Ada Hoyt | 37 | Wife | — | Illinois |
| 59 | Marshall Hoyt | 13 | Son | — | Illinois |
| 60 | Charlotte Hoyt | 12 | Daughter | — | Illinois |
| 61 | William Hoyt | 68 | Father | — | Illinois |
| 62 | George C. Sullivan | 47 | Head | Upholsterer | Illinois |
| 63 | Nellie Sullivan THIS PERSON | 47 | Wife | — | Illinois |
| 64 | Marjorie Sullivan | 21 | Daughter | Elementary Teacher | Illinois |
| 65 | James Sullivan | 16 | Son | — | Illinois |
| 66 | Clayton C. Simpson | 46 | Head | Clerk | Illinois |
| 67 | Ethel Simpson | 46 | Wife | Pastry And Salad Cook | Kansas |
| 68 | Robert Simpson | 22 | Son | Clerk | Illinois |
| 69 | Mildred Simpson | 22 | Daughter-in-law | Pastry And Salad Cook | Iowa |
| 70 | John C. Leonard | 36 | Head | Inspector Registration And Education | Illinois |
| 71 | Roselle Leonard | 34 | Wife | Manager | Illinois |
| 72 | Alexander Limke | 42 | Head | Electric Motor Repair Man | Germany |
| 73 | Helen Limke | 36 | Wife | — | Illinois |
| 74 | Catherine Limke | 11 | Daughter | — | Illinois |
| 75 | Andrew J. Schultz | 31 | Brother-in-law | Electric Motor Repair Man | Illinois |
| 76 | August Vogelstrom | 82 | Head | — | Sweden |
| 77 | Caroline Vogelstrom | 79 | Wife | — | Sweden |
| 78 | Esther Vogelstrom | 54 | Daughter | — | Illinois |
| 79 | Hazel Engh | 47 | Head | Music Teacher | Illinois |
| 80 | Victor Engh | 16 | Son | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)